/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.koushikdutta.async.utils;

import ohos.eventhandler.EventHandler;
import ohos.eventhandler.EventRunner;
/**
 * Here is a note copy.
 */
public class Delivery {

    /**
     * Here is a note copy.
     */
    private static Delivery sInstance;

    /**
     * Here is a note copy.
     *
     * @return null
     */
    public static Delivery getInstance() {
        if (sInstance == null) {
            synchronized (Delivery.class) {
                if (sInstance == null) {
                    sInstance = new Delivery();
                }
            }
        }
        return sInstance;
    }

    private EventHandler mHandler;

    /**
     * Here is a note copy.
     */
    public Delivery() {
        mHandler = new EventHandler(EventRunner.getMainEventRunner());
    }

    /**
     * Here is a note copy.
     *
     * @param post insert this using
     */
    public void post(Runnable post) {
        mHandler.postTask(post);
    }

    /**
     * Here is a note copy.
     *
     * @param post insert this using
     * @param delay insert this using
     */
    public void postDelayed(Runnable post, long delay) {
        mHandler.postTask(post, delay);
    }
}